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halan/catamorphism.js

Created March 23, 2020 12:18
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Catamorph structure
Raw
catamorphism.js
Loop = (value, {x, y}) => ({
value: value,
cata: mapping =>
x > y
? value
: Loop(mapping(value, x), {x: x + 1, y})
.cata(mapping)
});
console.log(
Loop(0, {x: 0, y: 5})
.cata((x, y) => x + y)
)
@halan
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halan commented Mar 23, 2020

Maybe Range could be a better name here, instead Loop. Just thinking.

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